Default Qos Settings; Default Settings: Ers 4000 - Avaya ERS 45 Series Technical Configuration Manual

7. Default QoS Settings

7.1 Default Settings: ERS 4000

Default Settings prior to release 5.8

Precedence level 1, 2, 7, and 8 are used by default
o
Precedence levels 1 and 2 are used by default untrusted if-group (allQoSPolicyIfcs)

Can be cleared up if ports are re-assigned to QoS class of either trusted or
unrestricted
o
Precedence level 7 is used by DHCP Relay
 Can be cleared up if IP DHCP Relay is disabled – on by default
o
Precedence level 8 is used by ARP
o
Certain features if enabled can take up one or more precedence levels

Please see Appendix for list of precedence levels used by various features

128 maximum filters are available per BCM chip where each BCM chip contains 24-26 ports
o
For example, 8 ports with 16 filters would consume all 128 filters via one BCM

Default Queue set is 2 with buffering set to large
Default Settings release 5.8 or higher – only ERS4800 series, ERS 4500 is not supported

Precedence level 1, 2, 14, 15 and 16 are used by default
o
Precedence levels 1 and 2 are used by default untrusted if-group (allQoSPolicyIfcs)

Can be cleared up if ports are re-assigned to QoS class of either trusted or
unrestricted
o
Precedence level 14 is used by DHCP Relay
 Can be cleared up if IP DHCP Relay is disabled – on by default
o
Precedence levels 15 and 16 are permanently occupied

Precedence level 15 is used by SPB

Precedence level 16 is used by ARP
o
Certain features if enabled can take up one or more precedence levels

Please see Appendix for list of precedence levels used by various features
o
For the ERS 4850

Up to 512 classifiers for each mask precedence

Up to 256 meters for each mask precedence for each ASIC

Up to 256 counters for each mask precedence for each ASIC
o
For the ERS 4826

Up to 256 classifiers for each mask precedence

Up to 128 meters for each mask precedence for each ASIC

Up to 128 counters for each mask precedence for each ASIC
September 2015
Avaya Inc. – External Distribution
avaya.com
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